NCP45560IMNTWG-H - 17A Load Switch with ecoSWITCH | onsemi
Артикул: NCP45560IMNTWG-H ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $1.62 | $1,62 |
| 10 | $1.43 | $14,30 |
| 100 | $1.18 | $118,00 |
| 500 | $0.96 | $480,00 |
| 1.000 | $0.84 | $840,00 |
| 3.000 | $0.71 | $2.130,00 |
NCP45560IMNTWG-H Обзор
A load switch IC is a power-management semiconductor that energizes and de-energizes a downstream voltage rail on demand, replacing discrete MOSFETs plus their gate drivers and protection circuitry. Load switches sit beneath the broader category hierarchy of power management IC -> hot-swap / load switch -> high-side switch -> N-channel high-side load switch. By integrating the MOSFET, driver, current limit, and fault logic, an ecoSWITCH device shrinks BOM count, board area, and design time compared to discrete equivalents.
Key features of the NCP45560IMNTWG-H include integrated soft-start to control inrush current, fault protection with auto-retry or latch behavior, an open-drain power-good output for system sequencing, and an ON/OFF logic-level enable input. The 12-pin DFN package has an exposed pad for low thermal resistance, and the part is fully RoHS-compliant. The ecoSWITCH architecture minimizes voltage drop across the switch under high current, allowing efficient power delivery to downstream regulators, SoCs, or subsystems.
Designers typically deploy the NCP45560IMNTWG-H between a system rail and a downstream point-of-load regulator, using the soft-start capacitor to tune turn-on slew rate and the fault pin to flag over-current, over-temperature, or short-circuit events. Compared to a discrete N-FET + gate resistor design, the integrated part saves layout area and provides guaranteed, matched fault thresholds. Power dissipation is dominated by I^2R losses through the integrated MOSFET; PCB thermal design via the exposed pad is essential for sustained 17 A operation.
Typical applications include USB-C power delivery path switching, hot-swap bays in servers, eFuse replacement in industrial PLCs, notebook and Chromebook rail switching, multi-rail sequencing in set-top equipment, and SSD/HDD power-rail control. When designing, size the soft-start current trace for the desired inrush rate, route the power-good output to a GPIO or supervisor, and verify thermal performance against worst-case continuous load.
Аналоги без доработки для NCP45560IMNTWG-H — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с NCP45560IMNTWG-H (тот же форм-фактор и посадочное место) — отличается по Fault Protection, Package, Continuous Load Current, Enable Input, MSL Level.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
NCP45560IMNTWG
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
NCP45521IMNTWG-H
✅ Прямая замена✓ В наличии
$0.79 / шт.
Открыть даташит →NCP45520IMNTWG-H
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$0.58 / шт.
Открыть даташит →NCP45561IMNTWG-H
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
TPS2590RSAR
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TPS2595RSER
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
NCP45560IMNTWG-H Максимальные параметры и электрические характеристики
| Product Type | High-side load switch (ecoSWITCH) |
| Количество выходов | 1 |
| Топология | High-side N-Channel MOSFET |
| Continuous Load Current | 17 A |
| Плавный пуск | Yes (programmable via external capacitor) |
| Fault Protection | Over-current, short-circuit, thermal shutdown |
| Выход Power Good | Yes (open-drain flag) |
| Enable Input | Logic-level ON/OFF |
| Корпус | 12-pin DFN (3x3 mm) with EP |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов NCP45560IMNTWG-H
| Контакт 1 | VOUT — Switched output to load |
| Контакт 2 | VOUT — Switched output to load |
| Контакт 3 | VOUT — Switched output to load |
| Контакт 4 | GND — Ground reference |
| Контакт 5 | PGND — Power ground (exposed pad) |
| Контакт 6 | VIN — Input supply voltage |
| Контакт 7 | VIN — Input supply voltage |
| Контакт 8 | VIN — Input supply voltage |
| Контакт 9 | ON — Logic enable input |
| Контакт 10 | FLG — Fault flag (open-drain) |
| Контакт 11 | PGOOD — Power-good output (open-drain) |
| Контакт 12 | SS — Soft-start capacitor |
Типичное применение
NCP45560IMNTWG-H подходит для 6 применениеs: USB-C Power Delivery Path Switching, Hot-Swap Bay in Server / Storage Systems, Notebook / Chromebook Multi-Rail Sequencing, Industrial PLC I/O Power Switching, SSD / HDD Power Rail Control, Set-Top Box / TV Power Sequencing.
USB-C Power Delivery Path Switching
The NCP45560IMNTWG-H fits USB-C PD path switching because its 17 A continuous current rating covers the full PD contract envelope (5 V/3 A up to 20 V/5 A) and its integrated soft-start eliminates inrush that would otherwise trip the PD controller's over-current protection. Placed between the Type-C connector's VBUS pin and the system battery charger IC, it provides controlled turn-on via the ON pin and fault isolation via the open-drain fault flag routed to the PD controller. Compared to a discrete N-FET, the ecoSWITCH integrates matched fault thresholds, eliminating calibration drift and reducing BOM by 5-7 parts while maintaining the 12-DFN 3x3 footprint.
Рекомендуется
Hot-Swap Bay in Server / Storage Systems
The NCP45560IMNTWG-H fits hot-swap bays in server backplanes because its fault-protected load switch behavior replaces a traditional eFuse + discrete MOSFET combination, providing inrush limiting and over-current protection in a single 12-DFN 3x3 device. Inserted between the 12 V backplane rail and the downstream drive bay, it limits inrush via the SS capacitor and immediately isolates faults via its built-in OCP/SCP/OTP, signalling the BMC through the fault pin. This integration saves roughly 30% PCB area versus discrete implementations while meeting the 17 A continuous rating required by high-capacity SAS/NVMe drives.
Рекомендуется
Notebook / Chromebook Multi-Rail Sequencing
The NCP45560IMNTWG-H fits notebook multi-rail sequencing because its power-good output enables cascaded rail bring-up without external sequencer ICs, while its ecoSWITCH integration reduces board area in space-constrained mobile platforms. Used between the system 19 V adapter rail and downstream buck converters, the PGOOD flag chains into the next rail's ON pin to enforce safe turn-on order. The 17 A rating comfortably handles system load peaks, and the 3x3 mm DFN footprint leaves room for additional rails in compact chassis designs.
Рекомендуется
Industrial PLC I/O Power Switching
The NCP45560IMNTWG-H fits industrial PLC I/O power switching because its fault protection prevents field-wiring shorts from damaging the central controller, while the 12-DFN package allows per-channel placement near the I/O connector. Each PLC output channel uses one NCP45560IMNTWG-H to switch 24 V field power to solenoids, relays, or sensors; the fault flag feeds back to the PLC CPU for shutdown logging. The ecoSWITCH's 17 A continuous rating handles inductive load transients, and the thermal shutdown protects against sustained overcurrent in field-fault conditions.
Рекомендуется
SSD / HDD Power Rail Control
The NCP45560IMNTWG-H fits SSD/HDD power-rail control in storage enclosures because it provides clean, controlled turn-on for 12 V/5 V device rails with built-in fault isolation if a drive fails short. Placed between the ATX-style power connector and the per-drive regulator, the ecoSWITCH's soft-start limits inrush from the drive's bulk capacitance, while the fault flag signals the SATA/SAS controller to mark it as failed. Compared to a polyfuse + MOSFET discrete approach, the integrated part provides faster, more predictable protection and resets automatically when the fault clears.
Рекомендуется
Set-Top Box / TV Power Sequencing
The NCP45560IMNTWG-H fits set-top box power sequencing because it isolates subsystems during standby to reduce phantom current while providing controlled turn-on for the main SoC and tuner rails. Used to switch the main 12 V rail to the SoC power tree, the ecoSWITCH draws only microamps in OFF state and provides PGOOD for sequencing downstream buck converters. The 12-DFN 3x3 package fits easily in slim set-top chassis, and the 17 A rating handles peak tuner + SoC + HDD currents in DVR configurations.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для NCP45560IMNTWG-H — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | NCP45560IMNTWG | NCP45521IMNTWG-H | NCP45520IMNTWG-H | TPS2590RSAR | TPS2595RSER |
|---|---|---|---|---|---|---|
| Package | 12-DFN (3x3) | 12-DFN (3x3) - same | 12-DFN (3x3) - same | 12-DFN (3x3) - same | 12-QFN (3x3) - same | 12-QFN (3x3) - same |
| Brand | onsemi | onsemi | onsemi | onsemi | Texas Instruments | Texas Instruments |
| Topology | High-side N-channel MOSFET | High-side N-channel MOSFET | High-side N-channel MOSFET | High-side N-channel MOSFET | High-side N-channel eFuse | High-side N-channel eFuse |
| Soft-Start | Yes (programmable) | Yes (programmable) | Yes (programmable) | Yes (programmable) | Yes (programmable) | Yes (programmable) |
| Fault Protection | OCP/SCP/OTP | OCP/SCP/OTP | OCP/SCP/OTP | OCP/SCP/OTP | OCP/SCP/OTP | OCP/SCP/OTP |
| Power Good Output | Yes (open-drain) | Yes (open-drain) | Yes (open-drain) | Yes (open-drain) | Yes (open-drain) | Yes (open-drain) |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Ключевые отличия
- High continuous current rating with full fault protection (против NCP45521IMNTWG-H)
- Compact 3x3 mm DFN with exposed pad (против Discrete N-FET + gate driver design)
- Integrated soft-start with fault pin signaling (против TPS2590RSAR (TI eFuse))
Заметки по проектированию
Estimated: At 17 A continuous load with typical RDS(on) of ~10 mOhm (per onsemi distributor listings), conduction loss is approximately I^2R = 17^2 * 0.010 = 2.89 W. The 12-DFN package relies on the exposed pad for thermal dissipation; per IPC-2152 guidelines, a minimum 1 square inch of 1 oz copper on the EP is required to keep junction rise manageable. For sustained 17 A operation, expand copper area to 2-3 square inches or use thermal vias to an internal plane. Always verify junction temperature against the onsemi thermal derating curve in the datasheet, and derate to 80% of rated current for production designs.
Per onsemi datasheet layout guidance, place input and output ceramic bypass capacitors as close as possible to the VIN and VOUT pins respectively (within 1-2 mm trace length). Use a 1 uF X7R ceramic on VIN for high-frequency decoupling, and a 10-47 uF bulk capacitor on VOUT to handle load transients. The exposed pad (PGND) must be soldered to a continuous ground copper pour with multiple thermal vias (typically 9-16 vias of 0.3 mm drill) connecting to inner ground planes for lowest thermal resistance.
Do not leave the SS pin floating - a missing soft-start capacitor will cause uncontrolled inrush that can trip downstream over-current protection or damage the load. Per onsemi datasheet, also route the PGOOD and FAULT pins with a pull-up resistor (10-100 kOhm) to a logic supply; if unused, leave them unconnected but consider their state during fault conditions. Verify absolute maximum VIN against your input source transients - the ecoSWITCH does not include input TVS protection, so external protection may be required for hot-plug or inductive loads.
Информация о соответствии
RoHS compliant per onsemi product page. AEC-Q100 not applicable - this part is industrial/commercial grade. For automotive-grade equivalents, consult onsemi sales.
